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drm/ast: Fixed vram size incorrect issue on POWER

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The default value of VGA scratch may incorrect.
Should initial h/w before get vram info.

Acked-by: Joel Stanley <joel@jms.id.au>
Tested-by: Y.C. Chen <yc_chen@aspeedtech.com>
Signed-off-by: Y.C. Chen <yc_chen@aspeedtech.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Y.C. Chen
2017-02-17 10:56:47 +08:00
committed by Dave Airlie
parent 9f93c8b3c0
commit bad09da6de
2 changed files with 4 additions and 4 deletions
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6
drivers/gpu/drm/ast/ast_main.c
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@@ -518,6 +518,9 @@ int ast_driver_load(struct drm_device *dev, unsigned long flags)
ast_detect_chip(dev, &need_post);
if (need_post)
ast_post_gpu(dev);
if (ast->chip != AST1180) {
ret = ast_get_dram_info(dev);
if (ret)
@@ -528,9 +531,6 @@ int ast_driver_load(struct drm_device *dev, unsigned long flags)
ast->dram_bus_width, ast->vram_size);
}
if (need_post)
ast_post_gpu(dev);
ret = ast_mm_init(ast);
if (ret)
goto out_free;